linux-kernel - [PATCH 4/9 v3] xc5000: add support for DVB-C tuning.

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Message-ID: <4d3f376a.857a0e0a.122c.4794@mx.google.com>
Date:	Tue, 25 Jan 2011 22:03:00 +0200
From:	"Igor M. Liplianin" <liplianin@...by>
To:	<mchehab@...radead.org>, <linux-media@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>
Subject: [PATCH 4/9 v3] xc5000: add support for DVB-C tuning.

Signed-off-by: Igor M. Liplianin <liplianin@...up.ru>
---
 drivers/media/common/tuners/xc5000.c |   18 ++++++++++++++++++
 1 files changed, 18 insertions(+), 0 deletions(-)

diff --git a/drivers/media/common/tuners/xc5000.c b/drivers/media/common/tuners/xc5000.c
index 76ac5cd..e3218c9 100644
--- a/drivers/media/common/tuners/xc5000.c
+++ b/drivers/media/common/tuners/xc5000.c
@@ -683,6 +683,24 @@ static int xc5000_set_params(struct dvb_frontend *fe,
 			return -EINVAL;
 		}
 		priv->rf_mode = XC_RF_MODE_AIR;
+	} else if (fe->ops.info.type == FE_QAM) {
+		dprintk(1, "%s() QAM\n", __func__);
+		switch (params->u.qam.modulation) {
+		case QAM_16:
+		case QAM_32:
+		case QAM_64:
+		case QAM_128:
+		case QAM_256:
+		case QAM_AUTO:
+			dprintk(1, "%s() QAM modulation\n", __func__);
+			priv->bandwidth = BANDWIDTH_8_MHZ;
+			priv->video_standard = DTV7_8;
+			priv->freq_hz = params->frequency - 2750000;
+			priv->rf_mode = XC_RF_MODE_CABLE;
+			break;
+		default:
+			return -EINVAL;
+		}
 	} else {
 		printk(KERN_ERR "xc5000 modulation type not supported!\n");
 		return -EINVAL;
-- 
1.7.1

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